The New Encyclopaedia Britannica: A - K.Encyclopaedia Britannica, 2005 |
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Page 301
... ( ctenidia ) ; paired chemoreceptive sense organ ( osphridia ) ; nervous system tetraneurous with cere- bral ganglia , buccal loop , and 2 pairs of longitudinal body cords , though often concentrated ; pronounced dorsoventral musculature ...
... ( ctenidia ) ; paired chemoreceptive sense organ ( osphridia ) ; nervous system tetraneurous with cere- bral ganglia , buccal loop , and 2 pairs of longitudinal body cords , though often concentrated ; pronounced dorsoventral musculature ...
Page 317
... ctenidia and are thought to have ancient origins , represented by the fossil Babinka . Babinka is itself interesting and is closely related either to Fordilla , one of the oldest bivalves or to the ancestors of the molluscan class ...
... ctenidia and are thought to have ancient origins , represented by the fossil Babinka . Babinka is itself interesting and is closely related either to Fordilla , one of the oldest bivalves or to the ancestors of the molluscan class ...
Page 318
... ctenidia pseudolamelli- branch ; mantle fusions lacking ; foot often lost in adult ; scallops capable of swimming ; some deepwater scallops predatory ; ma- rine ; epibyssate ; cemented by lower or left valve or free . Subclass ...
... ctenidia pseudolamelli- branch ; mantle fusions lacking ; foot often lost in adult ; scallops capable of swimming ; some deepwater scallops predatory ; ma- rine ; epibyssate ; cemented by lower or left valve or free . Subclass ...
Common terms and phrases
albite amphiboles ancient aragonite areas atoms basalt bivalves body calcite calcium called carbonate central centre century cephalopods chemical clay minerals colour common composition contain crust crystals ctenidia cult cultural deities deposits developed dolomite Earth economic eggs electron evaporite example existence facies feldspar Figure garnet gastropods goddess gods grains Hittite human igneous rocks important industrial kaolinite king known layers limestone magma magnetic major mantle cavity marine material mental metamorphic rocks metaphysics Mexican Mexico City mica Michelangelo microscope millimetres Milton mimicry mind Mineralogy modern Molière Mongolia Mongols Moscow myth nature object occur ocean olivine organic originally oxide percent period philosophers physical plagioclase political population pressure produced properties pyroxene quartz reaction region religion religious reprinted result sandstones sedimentary rocks sediments shell silicate smectite snails society species structure Sumerian surface temperature temple tetrahedrons texture tion typically United urban volcanic